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Snapshot
Primary Traits
1,285.4 g
0 m - 15 m
49
—
Record section
Identity and Taxonomy
Scientific identity, taxonomic placement, and source lineage.
Scientific name
Sula brewsteri
English name
Cocos Booby
Order
Pelecaniformes
Family
Sulidae
Genus
Sula
Species
brewsteri
Data source
BOTW
Record section
Conservation and Range
Threat status and geographic distribution signals.
Conservation status
No data
Range restricted
No data
Island endemic
No
Biogeographic realm
OL
Latitudinal zone
Tropical-Temperate
Record section
Measurements
Mass and elevation values from the stored record.
Minimum female mass
1,296 g
Maximum female mass
1,551 g
Minimum male mass
996 g
Maximum male mass
1,299 g
Minimum unsexed mass
No data
Maximum unsexed mass
No data
Average mass
1,285.4 g
Minimum elevation
No data
Typical lower elevation
0 m
Typical upper elevation
15 m
Maximum elevation
No data
Elevation range
15 m
Typical elevation
8 m
Record section
Ecology
Habitat, diet, and specialization profile.
Primary habitat
Sea
Habitat breadth
3
Primary diet
Fish
Diet breadth
1
Diet specialization index
1.52
Record section
Behavior and Reproduction
Breeding, nesting, incubation, and social traits.
Social behavior
Colonial
Mating system
No data
Cooperative breeding
Solitary breeder
Nest type
Cup/Bowl, Half cup, Saucer
Nest substrate
Ground
Minimum broods per year
No data
Maximum broods per year
No data
Minimum clutch size
1
Maximum clutch size
2
Incubating sex
Both
Minimum incubation period
42 d
Maximum incubation period
No data
Minimum fledging period
90 d
Maximum fledging period
No data
Nest parasitism
No data
Average clutch size
1.5
Average fledging period
90 d
Record section
Mobility and Flight
Flight ability and movement pattern.
Flight status
Flies
Mobility patterns
Dispersive, Sedentary